—Dad,please tell me when Mum________.I miss her very much.—She will return when she________her task.And she will bring a nice present for you.
We can't work out the physics problem. Can you tell us ________?
Try to sing more English songs,and you will find it interesting ________a foreign language.
We can make a fire ________the room warm so that we can chat for a while.
The girl ________ by the lake yesterday.
We are made ________ more confident by our teacher.